Bauer



(No Model.) 2 Sheets-Sheet 1. A. 0. A. BAUER & F. D. JOHNSON.

SEGTIONAL BOILEROR HEATER.

No. 519,297. Patented May 1, 1894.

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ALBERT O. A. BAUER AND FREDERICK D. JOHNSON, OF UTIOA, NEV YORK,

ATENT FFICE? ASSIGNORS TO RUSSEL YVHEELER AND FRANK E. WHEELER, OF SAMEPLACE.

SECTIONAL BOILER OR HEATER.

sPncIFIoATroN forming part of Letters Patent No. 519,297, dated May 1,1894. Application filed June 14:, 1893. Serial No. 477,616. (No model.)

To aZZ whom it may concern.-

Be it known that we, ALBERT C. A. BAUER and FREDERICK D. JOHNSON,citizens of the United States, and residents of Utica, in the county ofOneida and State of New York,

have invented certain new and useful Im provements in Sectional Boilersor Heaters, of which the following is a specification.

Ourinvention relates to improvements in hot water heaters or boilers,especially those used in conjunction with hot water heating or steamsystems for buildings, but adapted to use in various other forms ofboilers.

Our invention isapplicable to what are known as sectionalboilers of theform in which the various sections are united'by nipples or short tubes,which are threaded into the several sections composing the boiler, and

by our invention, we secure various important advantages, not beforerealized, so far as we are aware. Among these improvements are thefollowing: \Ve reduce the height of the boiler: we prevent any watertrappings or air pocketson the contrarygive perfect drainage and perfectair escape, during the drawing off of the Water from the boiler, orrefilling it again: we improve its appearance and add to its strengthand ease of repair. We reduce the height,beoause we do not set thenipples in between the sections, thus separating the sections, but onthe contrary, locate them in pockets or recesses formed in thesectionsvertically, so that the boiler is no higher than the aggregateheight of the sections. We prevent water trappings or air pockets,because our sections are provided with inclined Water ways, which extendfrom side to side of each section, and the nipples are connected at thehighest and lowest points respectively of these inclined water ways, so

that when the water is drawn ofi, there is complete drainage of it,always on a downward inclination: thus no water can be entrapped in thesections and on the other hand, when the boiler is refilled, the wateralways rising from below, upwardly, the air escapes in the reversedirection, so that there are no air pockets within the boiler. Theappearance of the boiler is improved because the pockets or recesseswithin which the nipples are located are setsubst-antially within theperipheral line of the boiler, so that it may be jacketed or masonry maybe applied to it with more ease, and with better appearance than inother boilers, as sometimes constructed. The strength of our boiler isincreased, because the sections rest upon each other, and are notsupported upon the nipples. The nipples simply pull them. down close andsnugly upon each other. Their weight 1S I10l3 supported by the nipples,but by the sections themselves.

Referring to the drawings hereof, Figure 1,is an elevation, partly insection (the section being taken on the line X, X of Fig. 2, looking inthe direction of the arrows on that figure) showing the base of theboiler, including the ash pit and fire pot sections and three superposedboiler sections. The fourth section is broken off on substantially ahorizontal line. Fig. 2, is a plan view of one ofthe superposedsections. Fig. 3, is a longitudinal section of one form of nipple.

A is the base or ash pit. A

B is the fire section.

0 is the water jacket in the tire pot section.

D is the ash pit door.

E is the shaker rod door.

F is the feeding door.

G, G, G G are the boiler sections.

H, H, H, &c., are water ways; they extend from side to side of thesections on an incline as shown in dotted lines.

The fire flues may be made in the sections in any of the variouswell-known ways.

I, I, I, &c., are the several nipples. They are hollow as shown andconstitute the water posts connecting the water chambers and passages inthe several sections. Those nipples are placed in pockets J, J, J, J(see Fig. 2) and are preferably provided with lock nuts K, K, &c., whichbeing screwed up tight against the adjoiningfaces of the sections aboveand below, give strength and water tightnessto the sections above andbelow, therefore, when they are properly run in with white lead or othersuitable material, they make an absolutely water tight joint, and do notrequire packing of any kind, and, in addition to this, the lock nuts, ifused, additionally tighten these joints, and it will be especiallyobserved that the nippics are so located relative to the inclined waterways, that they engage with the upper and lower portions thereofrespectively, so that the water in the sections will completely drainoff through the nipples; thus no water trap will be possible, and no airspaces will be formed, and furthermore that the nipples are placed inpockets J, J, which are formed in the sections preferably within theperipheral line, so that the nipples are protected from injury, and yetthey are easily accessible from the exterior of the boiler, so thatshould any of them require repair,it can be attended to byitself,withoutdisturbing any othernipple, and without taking downtheboiler. Also that the sections rest flat upon each other, and thenipples are made j ust long enough to securely hold them together andaflord water tight joints. Therefore the height of the boiler is notincreased, there being absolutely no lost space within the boiler, thewater heating surfaces are brought as close to the fire as it ispossible to make such a structure, and the weight of the sections issupported by their resting fiat upon each other and not upon thenipples. The nipples may be threaded from end to end with a runningthread, and as each section is in place, they may be run down throughthe upper one, until they properly engage with the lower one, or theymay be threaded right and left, and the sections be thus drawn togetherin a manner well understood. Of course, suitable lugs or angled surfacesmay be employed either on the outside or on the inside of the nippleswith which the Wrench or other tool employed to turn them may engage.

In Fig. 3, we show a very good form of right and left hand threadednipple. Itis lettered I, as before; L, L represent projections on theexterior of the nipple, there being preferably anumber of them in itscircumference, against; which a suitable wrench or tool will engage. M,M represent the lock nuts, which are preferably six-sided, as shown inFig. 2. They may be of any other form, however.

In putting boilers together when such a nipple as shown in Fig. 3 isemployed, the sections may be suspended over each other, so that allwater post openings,which are made in the bottoms and tops respectivelyof the sections marked A and B, on Fig. 1, properly register with eachother. Then the nipples are placed by hand or otherwise in the pockets,and the superposed scctionis then slowlylowered until the threads of allthe nipples properly engage both above and below. Then, upon turning thenipples all at the same time or practically so, the two sections aredrawn together until their faces meet, then each nipple will be set uphard and tight, and after that, the lock nuts, if they are employed,will be run up against the top and bottom plates respectively of thepockets in the sections, thus completing the work and making a secure,watertight, and substantial joint.

\Ve have not herein shown or described anything further than those partswhich specially appertain to our invention, because the generalconstruction and arrangements of water heaters of this class are now toowellknown to require full description, and our invention is more clearlyshown and easily understood by eliminating unnecessary parts from thedrawings.

We claim- 1. The combination in a sectional boiler, of sections havingwater ways running across them from side to side upon an inclination,pockets for the reception of nipples made in said sections andconnecting with the water ways attheir upper and lower ends, and nipplesconnecting the several sections within the said pockets, said pocketsbeing within the peripheral lines of the sections, substantially as setforth.

2. A section for aboiler or heater, having inclined water ways,extending across it from its lower to its upper surface, recesses orpockets for the reception of nipples, one of them extending upwardlybeneath the higher ends of the water ways and the other extendingdownwardly over their lower ends, substantially as set forth.

3. The combination in a boiler of a series of horizontal sections, eachhaving inclined water ways, which extend from their lower to their uppersurfaces, recesses or pockets in the several sections beneath the higherends and above the lower ends of the inclined water ways, and within theperipheral line of the sections and nipples connecting the said sectionswithin said pockets or recesses, substantially as set forth.

Signed at Utica, in the county of Oneida and State of New York, this 8thday of June, A. D. 1893.

ALBERT O. A. BAUER. FREDERICK D. JOHNSON. Witnesses:

G. ERNEST NICHOLS, GEO. A. TYLER.

